Cognomen Trivan (Trivan 
) , in all the world, is a rare last name. The surname Trivan is habitual in Southern Europe, particularly Serbia, where it is quite a rare surname, Slovenia, and Croatia, where it is a rare surname. Not in comparison with a country's population, the name is most common in Serbia, Slovenia, and Austria. Likewise, Trivan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Trivan | Austria, India, Indonesia, Serbia, Slovenia |